UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 45
UPD75238GJ
Manufacturer Part Number
UPD75238GJ
Description
4 BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC [NEC]
Datasheet
1.UPD75238GJ.pdf
(190 pages)
- Current page: 45 of 190
- Download datasheet (2Mb)
Input instruction
Bit of port mode
register group B (m = 7)
Input buffer
Output
latch
PMm
Input buffer
Fig. 4-6 Configuration of Port 7
Fig. 4-7 Configuration of Port 9
To A /D converter
MPX
PMm = 0
PMm = 1
Output buffer
P90/AN4
P91/AN5
P92/AN6
P93/AN7
Pull-down resistor
Mask option
Pm0
Pm1
Pm2
Pm3
PD75238
45
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